[Dovecot] Using a namespace for providing access to mail snapshots for user based on-demand restoration of email backups

[Timo Sirainen]

On 5.4.2012, at 20.02, Charles Marcus wrote:

> On 2012-04-05 12:37 PM, Tom Hendrikx <tom at whyscream.net> wrote:
>> The first interesting point I'd see with this, is that you supply the
>> mail client with a near endless supply of folders, which would take a
>> lot of caching space on the clients end, either (depending on the client
>> and its configuration) from the moment that you enable this fort hem, or
>> after someone starts searching in their 'time machine' for some old mail.
> 
> Since we use Thunderbird, I can of course disable offline mode for everyone, so the only time headers would be downloaded would be when the user selects (or performs a search on) one (or more) of the folders.

Do they need to be accessible via Thunderbird, or maybe only via a webmail? Or perhaps a secondary (normally disabled?) TB account where you've specified a "backup/" namespace prefix (which is normally hidden)?